baber/WOPTO huggingface dataset:
Patent GB-1002611-A (GB)
Title: Improvements in diffraction gratings
Inventor: HAMPSHIRE DAVID WILLIAMS HOLME
IPC: G02B5/18
Filed: 1960-10-13
Abstract: 1,002,611. Electric selective signalling systems. PLESSEY CO. Ltd. Oct. 12, 1961 [Oct. 13, 1960], No. 35178/60. Heading G4H. [Also in Division G2] A compound grating having more than three gratings in which the number of lines on one grating differs from the next in series according to a binary law is used as the coding disc in a digitizer using moirÚ fringes. The grating 1, in the form of a disc having annular gratings is mounted on a rotatable shaft 6 and a further grating plate 7, divided into two C-shaped parts relatively displaced with respect to the axis of rotation of the disc 1, is mounted close to the disc 1. Two photo-electric cells 8 are aligned with each grating except the outermost which has only one and a light source 9 provides a parallel beam of light through the disc and the plate. The disc 1 is rotated in accordance with an input signal causing a variation in the light transmitted by the gratings and received by the photo-cells. A reflection grating may be used in which case the cells and the source are on the same side of the grating 1.
Patent GB-1189737-A (GB)
Title: Fender for Dock Wall.
IPC: F16F1/42
Filed: 1968-07-23
Abstract: 1,189,737. Dock fenders. SEIBU GOMU KAGAKU K.K. 23 July, 1968 [6 Sept., 1967], No. 35202/68. Heading B7S. A dock fender comprises a principal part 1 of substantially rectangular parallelepiped shape provided with a central interior hollow space 2, a base 3, and opposite that a buffer portion 5, both formed integrally with said principal part and all being of resilient material, the lateral portions 10 being of non-uniform cross-section dimension symmetrically about the plane midway between the base and the buffer portion. The base and buffer portions have embedded therein core plates 4 and 8 respectively, the latter being provided with longitudinal beams 6 and transverse beams 7. Between adjacent transverse beams 7 pieces of wood 9 are arranged.
Patent GB-459973-A (GB)
Title: Improvements in or relating to tubular rivets and method of and apparatus for installing the same
IPC: F16B19/10
Filed: 1935-12-20
Abstract: 459,973. Setting tubular rivets. GOODRICH CO., B. F., 230, Park Avenue, New York, U.S.A. (Assignees of Warner, H. E.) Dec. 20, 1935, No. 35360. Convention date, July 11. [Class 43] [See also Group XXV] A tubular rivet comprises a soft metal body having a flanged head 14 an internally threaded portion 16 and an intermediate tubular portion 17 of reduced thickness that can be collapsed. to form a flange opposed to the head. The rivet is set by means of a draw rod 20 that is threaded at one end to engage the threaded portion of the rivet and is movable within an anvil 18 by means of a lever 27, the opposite end of the rod being fixed to a drawhead 21 that is slidably mounted in a casing 19, and is rotatable, by means of a crank 31 to withdraw the rod from the rivet. Rotation of the rivet is prevented by a key 15 engaging a slot in the work.
Patent GB-165712-A (GB)
Title: Improvements in sawing machines
IPC: B27B5/18
Filed: 1920-12-16
Abstract: 165,712. Gloppe, J. M. Dec. 16, 1920. Circular-saw machines; reciprocating-saw machines.-A circular saw h is carried by counterweighted arms c, and may be either fed downwards by a handle e through work held in adjustable supports n, or may be held in the position shown in dotted lines, when the work is fed to the saw across the top of the supports n. The driving-pulley t also transmits motion to reducing-gearing j so as to drive a crank q and reciprocate a saw y on guides z, the supports n being turned over out of the way, and the work held by an arm x.
Patent GB-832936-A (GB)
Title: Outlet selector valve for tiltable and invertible tank
IPC: B64D37/22
Filed: 1957-11-15
Abstract: 832,936. Emptying tanks. STEWART, R. B. Nov. 15, 1957 [Dec. 6, 1956], No. 35667/57. Class 21. [Also in Group XXIX] A gravity controlled valve for ensuring that liquid is only drawn from the lowermost part of a tiltable and invertible tank 10, Fig. 2, e.g. on an aircraft, comprises front and rear supply pipes 16, 18, and a connecting passage 48 in which is a ball 28 for closing one of the pipes according to the direction of tilt, the liquid in the passage 48 being passed into a second passage 50 and thence delivered through a pipe 22, Fig. 1. The valve also includes an upwardly directed supply pipe 20 normally closed by a ball 40. If the tank is inverted the ball 40 is displaced to open the pipe 20 and close the passage 50.
Patent GB-1404482-A (GB)
Title: Polyamideimides and their precursor polyamic acids
IPC: C08G73/14
Filed: 1972-07-31
Abstract: 1404482 Polyimides GENERAL ELECTRIC CO 31 July 1972 [11 Aug 1971] 35720/72 Heading C3R A polyamide-acid is the reaction product of:- (I) the product of reaction in a solvent of (a) an aliphatic dicarboxylic acid or mixture thereof with up to an equimolar proportion of an aromatic dicarboxylic acid, (b) a tricarboxylic anhydride or ester thereof with a glycol and (c) a polyamine, in a molar proportion of (c) : (a) + (b) within 15 mol per cent of 2 : 1; (II) a tetracarboxylic acid dianhydride; (III) an aliphatically unsaturated dicarboxylic acid anhydride; and (IV) a polyamine of which at least 5 equivalent per cent is a polymethylene polyaniline where n is 0À1 to 10, the total amount of II + III being equivalent to the excess of polyamine of (I) + IV. Numerous suitable reactants are specified. In the specific examples the solvent is cresol and (I) (a) is azelaic acid or a mixture thereof with isophthalic acid; (I)(b) is trimellitic anhydride or its ester with ethylene glycol; (I) (c) is 4,4<SP>1</SP>- diaminodiphenylmethane, hexamethylene diamine or m-phenylene diamine; (II) is benzophenone tetracarboxylic or pyromellitic dianhydride; (III) is maleic or 3,6-endomethylene - 1,2,3,6 - tetrahydro - cis - phthalic anhydride; and (IV) is a proprietary polymethylene polyaniline. The products may be cured to polyamide-imides and are stated to be particularly useful for forming electrically insulating films; they may also be used for coating substrates in general, as adhesives for laminates and, in the divided state, with or without fillers, for moulding.
Patent GB-1510295-A (GB)
Title: Arrangements for over-voltage protection of electrical equipment
IPC: H02H9/06
Filed: 1976-08-27
Abstract: 1510295 Voltage surge protective arrangements CERBERUS AG 27 Aug 1976 [29 Aug 1975] 35824/76 Heading H2H Electrical apparatus A is protected against overvoltage by a device P which comprises a gas filled tube G in parallel with a voltage dependent resistor V, the device P being connected in parallel with the apparatus A. The electrical characteristics of the tube G and the resistor V are so chosen that the resistor V responds to protect the apparatus A against overvoltages having a low energy content whereas the tube A gives protection against overvoltages with a high energy content. The tube G and resistor V are mounted between two metal strips M 1 , M 2  and may have an insulating device S therebetween so that the assembly forms a plug-in device switch for use in telephone equipment.
Patent GB-839834-A (GB)
Title: Improvements in or relating to suction nozzles for suction cleaners
IPC: A47L9/02
Filed: 1958-11-07
Abstract: 839,834. Suction cleaner nozzles. TORNADO A. G. Nov. 7, 1958 [July 31, 1958], No. 35841/58. Class 8(1). A thread-catching comb 28, Fig. 2, of a suction cleaner nozzle 1 of the kind wherein the exhaust duct 25 forms a socket 26 for a holding handle and is pivoted to the nozzle body 2, 3 for arcuate movement in a plane normal to the longitudinal axis of the body is rigidly secured to a longitudinally extending shaft 6 pivoted at its ends to the nozzle body so as to be capable of limited arcuate movement about its axis and having a longitudinal slot 24, Fig. 6, by which the nozzle mouth 4 is connected to the duct 25 and the comb is so disposed that when the shaft 6 is in one extreme position shown in Fig. 6 the teeth are inclined to the nozzle surface adjacent the. mouth 4 and in the other extreme position shown in Fig. 7, the teeth project through the mouth and are in a plane generally normal to said nozzle surface. The movement of the comb 28 is thus independent of the arcuate movement of the outlet duct 25 relative to the nozzle body. The latter comprises upper and lower parts 3, 2 bolted together and between which are held the ends of the shaft 6 one of which ends has a transverse stud 8, Fig. 5, projecting through a slot 9 in the upper nozzle portion 3 and rockable by a pedal 10 to effect said shaft displacement. Each end of the shaft is held by a spring catch in one or other of the extreme positions and the slot 24 which is confined to the central portion of the shaft is extended at both ends by longitudinal grooves 30 having their outer ends connected by lateral grooves 31 in the underside of the lower part 2 of the nozzle body thereby providing supplementary suction passages which are open only when the comb is in the inclined position shown in Fig. 6.
Patent GB-177244-A (GB)
Title: Improvements in vises
IPC: B25B1/12
Filed: 1920-12-21
Abstract: 177,244. Buckley, G. H. Dec. 21, 1920. Vices.-A quick-adjustment vice of the kind in which the movable jaw is provided with a toothed shank held in adjusted position by a toothed pawl the final adjustment being effected by a screw, comprises a fixed jaw 10, a toothed shank 13- adjustably carrying a movable jaw 22 and tiltably and slidably mounted in a recces 12 in the jaw 10. and a toothed pawl 19 tiltably mounted in a recess below the shank, the pawl and shank being provided with co-operating parts whereby tilting down the front end of the shank 13 forces the toothed end of the pawl 19 upwards into mesh with the teeth on the shank. As shown, teeth 17 are provided radially in the shank and inset therein. and the pawl 19 has a semicylindrical seating 20 journaled on a pin 21 and is provided with a narrow toothed portion 18, Fig. 2, the remaining part being smoother and slidably engaging the smooth sides of the under surface of the shank 13, the toothed end of the pawl falling away by gravity when the shank 13 is tilted upwards for quick adjustment. Final adjustment is effected by a screw 26 journaled in a plate 28 fixed to the movable jaw 22, a pin 33 passed through an overhanging part of the plate engaging a groove 32 in the operating end of the screw. The movement of the jaw 22 is limited by means of a key 40 set in a notch in the shank and retained therein by the jaw 22 and engaging shoulders formed by reducing part of the screw 26, In the milling-machine vice shown in Fig. 6, the fixed jaw 10 carries a base 50 with fixing-lugs 52, and the movable jaw is provided with a tongue 67 sliding in a groove 68 in the base. The rack is formed on a removable bar 57 secured by screws 58 and a key 58<1> in a slot in the shank so as to be reversible end for end. The limiting-key 78 is of segmental shape and rests on top of the screw spindle 72. A removable rack bar may also be applied to the vice shown in Fig. 1.
Patent GB-1200353-A (GB)
Title: Method of producing l-lysine
IPC: C12P13/08
Filed: 1967-08-04
Abstract: 1,200,353. L-Lysine by fermentation. AJINOMOTO CO. Inc. 4 Aug., 1967 [4 Aug., 1966; 31 Aug., 1966], No. 36015/67. Heading C2C. L-Lysine is prepared by culturing a threonine- or methionine-sensitive strain of the genus Brevibacterium on an aqueous nutrient medium under aerobic conditions, maintaining the pH of the medium between 5 and 9, and recovering the L-lysine. Specified micro-organisms are strains of B. flavum (A.T.C.C. Nos. 21127, 21128 and 21129) obtained by mutation with X-rays, γ-rays, U.V. light, or by treatment with sodium nitrite solution, ethyl methane sulphonate, or N - methyl - N<SP>1</SP> - nitro - N - nitrosoquaniline. The threonine-senstive strains require threonine for growth but are inhibited by concentrations of threonine in excess of 10 mg./mol., the preferred concentration being between 0À01 mg. and 1 mg./mol. medium. Suitable carbon sources include carbohydrates, particularly glucose, and nitrogen is preferably provided by ammonium salts of organic or inorganic acids.
Patent GB-1071651-A (GB)
Title: Improvements in and relating to ships'hatch covers
Inventor: MCIVER THOMAS
IPC: B63B19/18
Filed: 1962-09-21
Abstract: 1,071,651. Hatch covers. SWAN, HUNTER & WIGHAM RICHARDSON, Ltd. Dec. 23, 1963 [Sept. 21, 1962], No. 36059/62. Heading B7S. [Also in Division E2] A ship's hatch cover comprises a plurality of rectangular cover sections 51 to 56 provided with linkage means and so formed that when butted together along their transverse or long sides the sections close the hatch, while being capable of longitudinal displacement and stacking in horizontal disposition one upon another when the hatch is required to be open. As shown, the -hatch coaming 1 supports a pair of guide members 31 (Fig. 4) on which roll wheels 6 supported on a depending flange 30 on the longitudinal or short side of the cover sections. The guide members 31 are movable by locking ram 62 so that the lower webs of the guide members lift wheels 6 and thus the cover sections to free them for removal and stacking, arid the upper webs lower wheels 6 so that seal 33 engages rim 34 of the coaming. When the cover sections are to be stacked, ram 62 raises the guide members by way of oblique slots 10 and studs 11 so that the cover sections are free of the coaming. Rolling rams 69 are then actuated to extend, and traction ram 71 carried on the end of piston rod 70 is actuated to engage in a pair of holes 73 adjacent the leading edges of the first cover selection 51. Rams 69 then pull the first cover section 51 on to cradle 14 which has rails 18 in line with the guide members on the coaming. The cradle 14 is then lowered a required distance which automatically releases the cover section 51 from its adjacent cover section 52 to which it was connected by hook 74 coacting with recess 75 and abutment 76. Cover section 52 is now in the position previously occupied by cover section 51 and rams 69 are again actuated to remove cover section 52 from the guide members and stack it on top of cover section 51; the wheels 6 of section 52 rolling on the surface 29 of section 51. The vertical step-down process by the cradle 14 controlled by rams 17 eventually stacks all the cover sections at one end of the coaming. The reverse process is used to replace the cover sections which when engaged with the rim of the coaming are prevented from longitudinal movement by a bolt rams 88 engaging in a recess 87 in the appropriate cover section. The cover sections may be locked by a cam hook as illustrated in Fig. 5 (not shown). The position of ram 69 may be modified, Figs. 1 and 2 (not shown), to be mounted on the coaming and the linkage means may be chains. The cradle 14 may have a pair of indexing bars 78 and indexing pins 81 actuated by hydraulic rams 83. The rams 17, 62 and 69 may be remotely hydraulically controlled and limit switches may make the operations of covering and uncovering the hatch automatic. An hydraulic circuit for the rams is illustrated in Fig. 6 (not shown). In an embodiment not illustrated the rolling rams may be replaced by a pair of winch drums.
Patent GB-1012611-A (GB)
Title: Motor vehicle braking systems
IPC: B60T11/20
Filed: 1964-09-03
Abstract: 1,012,611. Fluid-pressure braking systems. FORD MOTOR CO. Ltd. Sept. 3, 1964 [Oct. 24, 1963]No. 36065/64. Headings F2E and F2F. In a vehicle braking system, a tandem master cylinder 1 comprises pedal-actuated integral pistons 11 and 12 working in independent front wheel brake supply chamber 5 and rear wheel brake supply chamber 6 respectively, chamber 6 having a reservoir port 10 spaced from the piston 12 by a distance less than the spacing of reservoir port 9 of chamber 5 from piston 11 whereby initial pedal movement closes only port 10 to actuate the rear brakes alone and further movement of the pedal closes port 9 to pressurize the front brakes. The system serves to eliminate brake squeal caused by the front brakes being applied lightly at low vehicle speeds. The front and rear wheel supply chambers, and consequently their corresponding pistons, may be arranged in parallel instead of in series as shown.
Patent GB-1164657-A (GB)
Title: A Press Having Two or More Press Tools which are Actuated Simultaneously by Separate Hydraulic Rams
Inventor: LUCKE CARL
IPC: A01G23/06
Filed: 1967-08-08
Abstract: 1,164,657. Metal working presses. MASCHINENFABRIK HASENCLEVER A.G. 8 Aug., 1967, No. 36404/67. Heading B3H. A multi-tool press has each tool 13 actuated simultaneously by a separate hydraulic piston 19 connected through a liquid link 10, 11 to a pump piston cylinder 8 whose pistons 6 are connected to a common drive member 2. This member comprises a horizontal carriage driven by a crank-shaft 5. The press is used in particular for forming workpieces, clamped between upper and lower dies (35), Fig. 3 (not shown), into pipe T-pieces 14 by a multiple piercing operation. Carriage 2 has two further pistons 16 working in retraction cylinders 15 connected to the inner ends of the working pistons 19 by conduits 17, 18 which are maintained under continuous pressure by a pump 20, relief valve 21 and accumulator 22. A pipe 23 leads through a solenoid-actuated control valve (30), Fig. 3 (not shown), to the clamping cylinder 34 for the upper die. An hydraulic system is described, Fig. 3 (not shown), controlled by cams (29), (38) on the crank-shaft 5. Pump cylinders 8 are each connected through a suction valve (25), Fig. 2 (not shown), with a reservoir (26) in the base of the press.
Patent GB-866098-A (GB)
Title: Improvements in vegetable washing machines
Inventor: COOCH JOHN HENRY
IPC: A23N12/02
Filed: 1956-11-28
Abstract: 866,098. Washing potatoes &c. COOCH & SONS Ltd. Jan. 22, 1958 [Nov. 28, 1956], No. 36449/56. Addition to 699,591. Class 28 (2). Potatoes, carrots, &c. are conveyed by endless chain rollers 6 from a soaking tank T to the conveyer 14 of a washing tank W, having oscillated spray pipes S, the conveyer 14 comprising separate rotated rubber-pimpled rollers 17 rotated by racks and sprockets which turn over the potatoes &c. and brushing them. The rollers may have alternate large and small sprockets to vary their speed.
Patent GB-962609-A (GB)
Title: An improved method and apparatus for operating a pressurised fluid actuated chuck
IPC: B23B31/175
Filed: 1962-09-26
Abstract: 962,609. Chucks. PRATT PRECISION HYDRAULICS Ltd. Sept. 26, 1962 [Sept. 26, 1961], No. 36511/62. Heading B3B. A fluid actuated chuck incorporates means to permit momentary reversal of the jaw pressure to free a jammed or locked workpiece without releasing it from the jaws, in order to prevent distortion of the workpiece during the finishing machining operation. In the operation of this chuck fluid is supplied to either side of a piston 6 via pipes 13, 14 and exhausted thereby as required during operation. Solenoid valves EV 1  and EV 2  control the fluid flow to and from each side of the piston, the fluid pressure being supplied sequentially from a high pressure pump P 1  and a low pressure pump P 2 . Fig. 1 shows the relative disposition of parts during the rough machining of a workpiece. Neither of the valves EV 1  or EV 2  is energized and high pressure fluid from pump P1 passes through the valves at points A, H, K and D to chamber 11 in the chuck to actuate the piston and hence the jaws 9 to grip the workpiece. At the completion of this roughing operation valve EV 1  is energized (see Fig. 2), permitting low pressure fluid to enter the system, thus reducing the pressure in the chamber 11. Valve EV 2  is now energized momentarily with valve EV 1  (see Fig. 3) which permits the transfer of the low pressure fluid to chamber 12 on the other side of the piston and chamber 11 is permitted to discharge via duct 26a and through regulator R which is adjusted to prevent the workpiece being released by the chuck jaws. Following this momentary discharge, valve EV 2  is deenergized and the arrangement reverts to that shown in Fig. 2. At the end of the finishing operation valve EV 2  is energized and EV 1  deenergized, which permits high pressure fluid to enter chamber 12 which actuates the jaws to release the workpiece from the chuck. The operation of the valves may be automatic by means of time relays or manual by way of pushbutton operation. The regulator valve R may be one of a number of types depending on whether the fluid pressure medium is oil or air.
Patent GB-1522674-A (GB)
Title: Battery powered appliance
IPC: H01M2/10
Filed: 1975-09-04
Abstract: 1522674 Battery housings; variable resistors SEALAND INDUSTRIAL CO Ltd 26 May 1976 [4 Sept 1975] 36531/75 Headings H1B and H1S A battery housing for, e.g. massage devices has a removable cap 8 with a contact 10, and a manually operated variable resistance member 12 to allow the current to, e.g. the vibrator 4 to be varied.  The variable resistor (Fig. 4) comprises a wire 21 wrapped around an insulator 22, and a metal wiper 18 which engages the wire.
Patent GB-365734-A (GB)
Title: Improvements in or relating to clothes hooks and like suspension devices
IPC: A47G25/08
Filed: 1930-12-05
Abstract: 365,734. Garment hangers. PURSER, H. F., 29, Greencroft Gardens, Hampstead, London. Dec. 5, 1930, No. 36758. [Class 52 (v).] A clothes hook 25 is provided with an integral or attached C- shaped runner 18 slidable on the horizontal limb 13 of an L-shaped strip and secured in position by a nut so that a door &c. 12 may be gripped between the vertical limb 10 of the L-shaped strip and the hook 25. In the construction shown the upper end of the hook is passed through the runner and turns over the runner carrying a threaded projection 23, to receive a fixing nut, which passes through a slot 24 in the limb 13.
Patent GB-1160522-A (GB)
Title: Improvements in or relating to Linking Machines
Inventor: BECK FREDERICK WILLIAM
IPC: D05B7/00
Filed: 1965-08-27
Abstract: 1,160,522. Sewing machines. F. W. BECK. 14 Oct., 1966 [27 Aug., 1965], No. 36831/65. Heading D1G. A stop motion device in a linking machine comprises a lever acting upon the sewing thread, and an electrical switch associated with the lever, whereby, on abnormal variation in the thread tension, the lever turns to actuate the switch for stopping the machine. The lever, switch and thread tensioners are mounted on a plate attachable to the linking machine. Thread t passes from the supply to the needle of a linking machine via a pair of disctype tensioners 8. The spindle 10 supporting the discs 9 of the tensioner nearest the needle journals a block 13 in which parallel wires 14, 15, which extend from block 13 in opposite directions to constitute a double-armed lever, are adjustably secured by set screws 18. The free end of wire 14 is hook-shaped to guide the thread t. During normal operation the thread tension biases the wires 14, 15 clockwise to raise the weights 16. If the thread breaks, the wires 14, 15 turn counter-clockwise, whereby the outermost weight 16 engages a flange 21a on one arm of a double-armed lever 21 pivoted at 22, and flange 21a engages the actuating tongue 20 of a microswitch 19 to stop the driving motor. A lever 24, pivoted at 23, has secured to its free end spaced-apart bars 25, 27 between which normal thread passes freely. A knot or enlargement in the thread will however, engage the bars 25, 27 to turn lever 24 clockwise, whereby lever 24 will engage and turn lever 21 for actuating microswitch 19.